Подскажите как написать правильно вопрос и отрицание к предложениям :
1) I have got a lot of good computer games.
2) It is late.
3)She can sing nice songs.
Have you got a lot of good computer games?I haven't got a lot of good computer games.Is it late? It is not late. Can she sing nice songs? She can't sing nice songs.